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Qualitative Papers/ Grade 1291

These qualitative filter papers are essentially used for analytical purposes and routine analyses, whenever no gravimetric analyses are required. They are wet-strengthened and can be used for pressure and vacuum filtration. They are made of refined pulp and linters with an > 95% α-cellulose content, are very pure with an ash content < 0.1%.

Order Number:  FT-4-209-320

Availability:  On Request

  • Made of refined pulp and cotton linters with an > 95% α-cellulose content,
  • Ash content < 0,1% according to DIN 54370
  • Wet-strengthened

Brochure

Filter Papers for the Laboratory and Industry
en 6.4 MB
Carte da filtro per il laboratorio e l’industria
it 6.4 MB
Papiers filtres pour les laboratoires et l’industrie
fr 6.4 MB

Catalog

Laboratory Filtration Products
en 14.3 MB
Laboratory Filtration Products (US and Canada)
en 9.6 MB

Product properties

  • Colour
    White
  • Dimensions
    320 mm
  • Weight
    84 g/m²
  • Primary Product Type
    Filters
  • Grade
    1291
  • Packaging
    Non-sterile, bulk packed
  • Pack size
    100
  • Material
    Refined pulp and linters, ash-free
  • Filter Type
    Qualitative Filter Papers
  • Filter Format
    Folded

Technical attributes

  • Filter material
    Cotton Linters and Refined Pulp (> 95 % alpha-cellulose)
  • Recycled
    Yes
  • Area of application
    Clarification` Analytical Sample Preparation` Particle Analysis
  • Thickness
    0.15 mm
  • Filtration time
    180 s
  • Particle retention
    2-3 µm
  • Specifications
    Fine-pore, dense, very slow filtering
  • Precipitations
    Very fine crystalline

No accessories & consumables found